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Questions in biology

[Homework Help] Which hormone typically decreases during menopause? A. Testosterone B. Estrogen C. Growth hormone D. Thyroid hormone

[Homework Help] What is the primary biological cause of menopausal symptoms such as hot flashes and changes in vaginal lubrication? A. Fluctuations and decreases in estrogen and progesterone production. B. Increased testosterone levels. C. Sudden increases in progesterone levels. D. Genetic predisposition to hormonal changes.

[Homework Help] Which of the following is the most underdeveloped sense at birth? A) Audition B) Vision C) Touch D) Taste

[Homework Help] Why are the Miller-Urey experiments essential to the theory of evolution? A. They showed that life can only come from life. B. They showed that electricity can create life. C. They showed how organic molecules could be made from Earth's early atmosphere. D. They showed the role that natural selection played in the evolution of modern day organisms.

[Homework Help] What does photosynthesis provide that serves as the starting point for cellular respiration? A. Carbon dioxide B. Oxygen and glucose C. Oxygen, carbon dioxide, and water D. Oxygen and water

[Homework Help] Select the bony landmark that can be best described as an abrupt or pointed projection. A. Tuberosity B. Process C. Line D. Spine

[Homework Help] Determine what kind of variation is related to the following trait: skin color. A. Only Environmental variation B. Only Genetics C. Both Genetics and the Environment D. Neither

[Homework Help] By definition, what type of fatty acid has double bonds? A. saturated B. unsaturated

[Homework Help] Reflexes are: A. Voluntary motor movements B. Pre-planned and controlled C. Involuntary movements in response to stimuli D. Spontaneous involuntary movement

[Homework Help] Which of the following is a male organ? A. stigma B. pistil C. ovary D. stamen